The 6 Best Drain fittings (2023 reviews)

The attwood drain fitting is capable of outshining several other fitting featured in this list in overall features. This water can easily drain from the boat. It is easy to install and an exact fit to the broken one.

Why We Like This:

Easy to install, bit small drain
Keeps the rain water drained out
Well made, easy to install, not over priced

Best For Bilge Pump: Johnson Pump Of America Drain fitting

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Johnson Pumps Of America has been making great fitting for years, thanks to a combination of clever design and appropriate materials. It's used primarily for a bilge pump hose for a boat. It's adjustable,it screws from the inside,outside sticks out 3/8,use plumbers putty around the outside seal area,works fine. It's built with johnson pump quality. The feature takes all the strain off your hose and allows for a neat compact installation.

The coupling has a finer thread than a garden hose and the end after the bend isn't threads it's ribs to hold a hose with a clamp over it. It will handle up to 1" of hull thickness. It is adjustable,it screws from the inside,outside sticks out 3/8,use plumbers putty around the outside seal area,works fine.

Why We Like This:

Makes for a neat, finished installation
Easy install with a set of step bits
Good brand reputation

Best For thru hull fitting: Amarine Made Drain fitting

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Best part: amarine made drain fitting costs comparatively low and it is available to ship in 24 hours. It is used to add a drain to a fermenter. It is made of heavy duty 316 grade stainless steel construction to ensure strength and durability. It has high practicability and reliability. It is ideal for use as an exhaust port for a bilge pump. It is well made and has a great polished finish.

The threads are clean, no scratches on the polished face, and the stainless steel is strong and thick. It comes with a wrench flat on the notched surface, it is easy to tighten and can provide you with a convenient and practical use experience.

Why We Like This:

Polished to a beautiful, mirror-like finish
Real nice fit, form, and finish
Delivers what they promise

Best For RV: Five Oceans Drain fitting

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Compared with other fitting in this category, the five oceans drain fitting has a convenient design. The hull fitting connection for the hose is ideal for scupper, sink drain, and bilge pump overboard discharge. It is made of tough injection molded polypropylene plastic that will resist sunlight, salt water, oil, gasoline and most common marine chemicals.

Why We Like This:

Excellent resistance to uv and weather-aging
Works fine for a small drain in a tight space
Simple modification that makes for a neater appearance
Excellent product for replacement of existing thru hull fittings

Best For scuppers: Eeyad Drain fitting

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Eeyad has been making great fitting for years, thanks to a combination of clever design and appropriate materials. It is good choice for scuppers, sink drains and bilge overboard drains. The hose barb section barely has any profile or barb to it. The straps are plenty long enough so you can add additional batteries in the future. The mushroom head side of this is very small so you'll want to make sure your hole isn't oversize. The straps appear to be well made and strong enough to keep batteries where they belong. It comes with a rubber washer for the outside of the boat.

Why We Like This:

Very nice fitting good wall thickness
Great quality, heavy duty with a beautiful finish
Great quality, buckles and are stainless
A very nice quality piece, almost an art piece

Best fitting: ISURE Marine Drain fitting

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If you often find yourself scrambling for convenient and suitable fitting, isure marine drain fitting should be your first option for buying. This thru drain boat hose is highly reliable and is widely used in ships, yachts, and boats. It fits salt water & uv resistant. It works well with a 3m 5200 sealer. It is made of 316 stainless steel which is durable, not easy to break and has long service life. The Standard Thread has full length thread for thick hulls and easy tightening. Two slightly protruding pins within the interior of the drain allow for a wide blade flat screwdriver to be inserted and prevents the flange portio from turning when nut is installed. Extra long threads allows it to pass through even the thickest transom, and the hose barbs fit 1" I.D marine hose. It is easy to install and disassemble, provide trouble free hose connection, easy to use.

Why We Like This:

High quality and purity 316 stainless steel, surface
Sturdy, well made, used for generator exhaust
Exquisite and meticulous workmanship, can be used for a long time, saving your cost